/*
 *   Licensed to the Apache Software Foundation (ASF) under one
 *   or more contributor license agreements.  See the NOTICE file
 *   distributed with this work for additional information
 *   regarding copyright ownership.  The ASF licenses this file
 *   to you under the Apache License, Version 2.0 (the
 *   "License"); you may not use this file except in compliance
 *   with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing,
 *   software distributed under the License is distributed on an
 *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *   KIND, either express or implied.  See the License for the
 *   specific language governing permissions and limitations
 *   under the License.
 *
 */
package sg.atom.utils.datastructure.tree.mvccbtree.util;

import sg.atom.utils.datastructure.collection.Tuple;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

/**
 * TODO IntTupleReaderWriter.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory
 * Project</a>
 */
public class IntTupleReaderWriter implements TupleReaderWriter<Integer, Integer> {

    @Override
    public void storeSortedTuple(Tuple<Integer, Integer> t, DataOutputStream out) throws IOException {
        out.writeInt(t.getKey());
        out.writeInt(t.getValue());
    }

    @Override
    public Tuple<Integer, Integer> readSortedTuple(DataInputStream in) {
        return readUnsortedTuple(in);
    }

    @Override
    public Tuple<Integer, Integer> readUnsortedTuple(DataInputStream in) {

        try {
            if (in.available() <= 0) {
                return null;
            }

            Tuple<Integer, Integer> t = new Tuple<Integer, Integer>(in.readInt(), in.readInt());

            return t;
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }
}
